#5B3CA2
Closest named color: Rebecca Purple (#663399). oklch(44.8% 0.157 293), rgb(91, 60, 162).
Aa
White text reads best on this color (8.03:1).
About this color
#5B3CA2 is a dark, vivid purple. In OKLCH its lightness is 45%, its chroma 0.157 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.030 away. White text reads best on it, at 8.03:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | vivid (0.157) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.61:1 |
| White text | 8.03:1 |
Values
| HEX | #5B3CA2 |
| RGB | rgb(91, 60, 162) |
| HSL | hsl(258, 46%, 44%) |
| OKLCH | oklch(44.8% 0.157 293) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #5B3CA2 | 8.03:1 | AAA | Lc -92.1 | Preferred for body text |
| Black text on #5B3CA2 | 2.61:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #5B3CA2 text on white | 8.03:1 | AAA | Lc 87.4 | Fine for body text |
| #5B3CA2 text on black | 2.61:1 | Fails | Lc -14.7 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#EAE7FB
oklch(93.6% 0.027 292.8)
-
Step 200
200
#DAD4F9
oklch(88.6% 0.051 292.8)
-
Step 300
300
#C2B6F7
oklch(80.9% 0.091 292.7)
-
Step 400
400
#A58DF3
oklch(70.7% 0.147 293.1)
-
Step 500
500
#916DEF
oklch(63.2% 0.188 293)
-
Step 600
600
#7C50DD
oklch(55.6% 0.204 292.9)
-
Step 700
700
#693FC0
oklch(49% 0.191 293)
-
Step 800
800 (this color)
#5B3CA2
oklch(44.8% 0.157 293)
-
Step 900
900
#46307B
oklch(37.7% 0.122 293.2)
-
Step 950
950
#291D48
oklch(27% 0.077 293.4)
#5B3CA2 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #0052A5 | 0.099 |
| Deuteranopia (no green cones) | #004EA0 | 0.098 |
| Tritanopia (no blue cones) | #475369 | 0.125 |
| Achromatopsia (no color) | #505050 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B3CA2
#5B3CA2
oklch(44.8% 0.157 293)
- #565A00
#565A00
oklch(44.9% 0.1 112.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #5B3CA2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.030
- Blueberry #464196 ΔE 0.041
- Dark Slate Blue #483D8B ΔE 0.050
- Blue With A Hint Of Purple #533CC6 ΔE 0.060
- Bluey Purple #6241C7 ΔE 0.061
- Blurple #5539CC ΔE 0.068
- Twilight #4E518B ΔE 0.070
- Chrysanthemum #560BAD ΔE 0.074
Use #5B3CA2 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.